Letu Automotive manufactures an impressive range of extruded EPDM sponge rubber seals, sponge rubber sections, sponge rubber profiles, foam rubber seals, cellular rubber profiles, closed cell sponge rubber extrusions, silicone sponge rubber seals, neoprene sponge rubber extrusions in a number of shapes and sizes, including some that are self-adhesive backed. Versatile, high quality, high performance sponge rubber seals are in demand for use in numerous industries, with even more applications from Hebei, China.
All Types of Sponge Rubber Seals
D-shaped sponge rubber seal
E-shaped sponge rubber seal
B-shaped sponge rubber seal
Ribbed style sponge rubber seals
Sponge Rubber Cord
Sponge Rubber Tubing
Sponge Rubber Cords
Adhesive-backed sponge seal strip
U-channel sponge strip
Rectangle sponge rubber seal
Square sponge rubber seal
Hollow sponge rubber extrusions
Foam and sponge rubber profile
EPDM sponge rubber profile, grey
Self-adhesive EPDM cellular rubber crown strip
Silicone sponge rubber extrusion
Neoprene sponge strip
Custom sponge rubber extruions
Properties of EPDM Sponge Rubber Seals
EPDM Sponge Rubber has excellent weather, UV & chemical resistance, and is ideal for many interior and exterior applications.
| Properties | Value & Unit |
| Density: | 0.65±0.15 g/cm3 |
| Tensile Strength: | 435 psi |
| Ultimate Elongation: | 310% |
| Compression Deflection, 25% | 6 psi |
| Heat Resistance | |
| Tensile Strength: (70 h @ 70℃) | 427 psi |
| Ultimate Elongation: (70 h @ 70℃) | 290% |
| Compression Deflection, 25%:(Oven-aged 7 days @ 70℃) | 5.1 psi |
| Change from original C/D value | -15% |
| Ozone Resistance: 200pphm×20%×65%RH×40℃×72h | No crack or crazing observed |
| Brittleness Temperature: | -45 ℃ |
| Staining: | Non-staining |
